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參數(shù)資料
| 型號： | AD7694BRM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, 250 kSPS PulSAR ADC in MSOP |
| 中文描述： | 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 281K |
| 代理商： | AD7694BRM |
AD7694
SPECIFICATIONS
VDD = 2.7 V to 5.25 V; V
REF
= VDD; T
A
= –40°C to +85°C, unless otherwise noted.
Table 2.
Parameter
Conditions
RESOLUTION
ANALOG INPUT
Voltage Range
IN+ IN
Absolute Input Voltage
IN+
IN
Leakage Current at 25°C
Acquisition phase
Input Impedance
ACCURACY
No Missing Codes
Integral Linearity Error
Transition Noise
REF = VDD = 5 V
Gain Error
1
, T
MIN
to T
MAX
Gain Error Temperature Drift
Offset Error
1
, T
MIN
to T
MAX
Offset Temperature Drift
Power Supply Sensitivity
VDD = 5 V
±
5%
THROUGHPUT
Conversion Rate
VDD = 4.75 V to 5.25 V
VDD = 2.7 V to 4.75 V
AC ACCURACY
Signal-to-Noise
f
IN
= 20 kHz, V
REF
= 5 V
f
IN
= 20 kHz, V
REF
= 2.5 V
Spurious-Free Dynamic Range
f
IN
= 20 kHz
Total Harmonic Distortion
f
IN
= 20 kHz
Signal-to-(Noise + Distortion)
f
IN
= 20 kHz, V
REF
= 5 V
f
IN
= 20 kHz, V
REF
= 2.5 V
Rev. 0 | Page 3 of 16
A Grade
Typ
1
B Grade
Typ
1
Unit
Bits
V
V
V
nA
Bits
LSB
LSB
LSB
ppm/°C
mV
ppm/°C
LSB
kSPS
kSPS
dB
2
dB
dB
dB
dB
dB
Min
16
0
0.1
0.1
Max
V
REF
VDD + 0.1
0.1
See the Analog Input section.
+6
±30
±3.5
±0.05
250
150
90
86
100
100
89
86
Min
16
0
0.1
0.1
Max
V
REF
VDD + 0.1
0.1
15
6
0
0
0.5
±2
±0.3
±0.7
±0.3
16
4
0
0
88
88
0.5
±2
±0.3
±0.7
±0.3
±0.05
92
87
106
106
92
87
+4
±15
±3.5
250
150
1
See
2
All specifications in dB refer to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
section. These specifications do include full temperature range variation, but do not include the error contribution from the external reference.
Terminology
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